Patent US2655694A successfully refreshed from Google Patents.
US2655694A
Expired / Lapsed
US
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Manufacture of smokeless powder
Assignee: Individual
•
Filing: 1945-07-28
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Granted: 1953-10-20
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Expires: 1965-07-28
Abstract
No abstract record available.
Inventors
- 👤 William E Piper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:12
CPC Classifications
C; C06; C06B; C06B21/00; C06B21/0033; C06B21/0075; B; B29; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
IN THE ART OF FORMING THICK-WEB, LARGE GRAIN SMOKELESS POWDER BY EXTRUDING LONGITUDINALLY A ROLL PREPARED FROM A SHEET OF COLLOIDED SMOKELESS POWDER, THE IMPROVEMENT WHICH COMPRISES PREPARING SAID ROLL BY ROLLING A SHEET OF SAID POWDER ONTO A SOLID CORE OF COLLOIDED SMOKELESS POWDER.
Claim 2
Dependent Claim
45 words
IN THE ART OF FORMING THICK-WEB, LARGE GRAIN SMOKELESS POWDER BY EXTRUDING LONGITUDINALLY A ROLL PREPARED FROM A SHEET OF COLLOIDED SMOKELESS POWDER, THE IMPROVEMENT WHICH COMPRISES PREPARING SAID ROLL BY ROLLING A SHEET OF SAID POWDER ONTO A SOLID CORE OF COLLOIDED SMOKELESS POWDER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |